Home / 13,186,506.68-19,764,013.61-5,510,136.68

Finding the Fourth Proportional to 13,186,506.68, 19,764,013.61 and 5,510,136.68

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Solution

The fourth proportional to 13,186,506.68, 19,764,013.61 and 5,510,136.68 is: 8,258,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186,506.68 : 19,764,013.61 = 5,510,136.68 : x
  2. Step 2: Convert to fraction form
    13,186,506.68/19,764,013.61 = 5,510,136.68/x
  3. Step 3: Cross multiply
    13,186,506.68x = 19,764,013.61 × 5,510,136.68
  4. Step 4: Simplify right side
    13,186,506.68x = 108,902,416,237,660.14
  5. Step 5: Solve for x
    x = 108,902,416,237,660.14/13,186,506.68
  6. Step 6: Final answer
    x = 8,258,625.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.